A model for the optical path difference introduced by a soap bubble in transmission is described. The model is then used with interferometric data to solve for the fringe order, and to define a procedure to extract the global film thickness in presence of turbulence flows occurring during the drainage process due to gravity. Experimental results on soap bubbles examined in single-pass phase-shift interferometry are presented. (C) 2013 Optical Society of America
Measuring the thickness of soap bubbles with phase-shift interferometry
VANNONI, MAURIZIO;SORDINI, ANDREA
2013
Abstract
A model for the optical path difference introduced by a soap bubble in transmission is described. The model is then used with interferometric data to solve for the fringe order, and to define a procedure to extract the global film thickness in presence of turbulence flows occurring during the drainage process due to gravity. Experimental results on soap bubbles examined in single-pass phase-shift interferometry are presented. (C) 2013 Optical Society of AmericaFile in questo prodotto:
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